Finding the Fourth Proportional to 2,948,972.97, 4,067,486.41 and 1,968,417.61
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Solution
The fourth proportional to 2,948,972.97, 4,067,486.41 and 1,968,417.61 is: 2,715,017.05
Step by Step Solution
- Step 1: Write the proportion equation
2,948,972.97 : 4,067,486.41 = 1,968,417.61 : x - Step 2: Convert to fraction form
2,948,972.97/4,067,486.41 = 1,968,417.61/x - Step 3: Cross multiply
2,948,972.97x = 4,067,486.41 × 1,968,417.61 - Step 4: Simplify right side
2,948,972.97x = 8,006,511,889,360.31 - Step 5: Solve for x
x = 8,006,511,889,360.31/2,948,972.97 - Step 6: Final answer
x = 2,715,017.05
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.